@RISK is the SANS community's consensus bulletin summarizing the most important vulnerabilities and exploits identified during the past week and providing guidance on appropriate actions to protect your systems (PART I). It also includes a comprehensive list of all new vulnerabilities discovered in the past week (PART II).
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TRAINING UPDATE
New "Combating Malware in the Enterprise" course at SANS (SEC569). How do you fight off malware when you have thousands of hosts? Learn the answers in Washington DC in December or in Orlando in March: http://www.sans.org/security-training/combating-malware-enterprise-1482-mid
-- SANS Cyber Defense Initiative 2010, Washington DC, December 10-17, 2010 24 courses. Bonus evening presentations include Browser Based Defenses; Continuous Vulnerability Testing and Remediation: the 20 Critical Security Controls Perspective; and Cyberwar or Business as Usual? The State of US Federal CyberSecurity Efforts http://www.sans.org/cyber-defense-initiative-2010/
-- SANS Security East 2011, New Orleans, LA, January 20-27, 2011 12 courses. Bonus evening presentations and special events include Happy Little Clouds: Governing, Assessing and Auditing Cloud Environments; and Future Trends in Network Security http://www.sans.org/security-east-2011/
-- North American SCADA 2011, Lake Buena Vista, FL, February 23-March 2, 2011 http://www.sans.org/north-american-scada-2011/
-- SANS 2011, Orlando, FL, March 27-April 4, 2011 39 courses. Bonus evening presentations and special events include Hiding in Plain Sight: Forensic Techniques to Counter the Advanced Persistent Threat; and Law and the Public's Perception of Data Security http://www.sans.org/sans-2011/
-- Looking for training in your own community? http://sans.org/community/
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For a list of all upcoming events, on-line and live: https://www.sans.org/index.php
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PART I Critical Vulnerabilities Part I for this issue has been compiled by Josh Bronson at TippingPoint, a division of HP, as a by-product of that company's continuous effort to ensure that its intrusion prevention products effectively block exploits using known vulnerabilities. TippingPoint's analysis is complemented by input from a council of security managers from twelve large organizations who confidentially share with SANS the specific actions they have taken to protect their systems. A detailed description of the process may be found at http://www.sans.org/newsletters/risk/#process
Description: Microsoft Internet Explorer is susceptible to a use-after-free vulnerability in its code responsible for parsing cascading style sheets (CSS). It was first reported by "sec yun" on Full Disclosure on 8 December 2010. It was initially assumed that the vulnerability could not be exploited, but since then, an exploit with a detailed description has been published. An attacker could exploit this vulnerability by enticing a target to view a malicious site.
Status: vendor confirmed, updates not available
Description: As part of its regular Patch Tuesday process, Microsoft has released patches for vulnerabilities affecting multiple products. Vulnerabilities include a code execution vulnerability in Windows' OpenType Font Driver, a buffer overflow in the Office XP TIFF Image Converter, a memory corruption issue in Microsoft Publisher, and an input validation issue in Microsoft SharePoint that could lead to remote code execution or arbitrary file upload and download. Any of these vulnerabilities could potentially lead to code execution. For all but the last, an attacker must entice the target to open a malicious file in order to exploit the vulnerability.
Status: vendor confirmed, updates available
Description: Google has released a patch for multiple vulnerabilities affecting its Chrome browser. The vulnerabilities include at least two potentially serious ones: a problem validating messages to be deserialized, and a stale pointer issue with cursor handling. An attacker could exploit these vulnerabilities by enticing a target to view a malicious site.
Status: vendor confirmed, updates available
Part II -- Comprehensive List of Newly Discovered Vulnerabilities from Qualys (www.qualys.com) This list is compiled by Qualys ( www.qualys.com ) as part of that company's ongoing effort to ensure its vulnerability management web service tests for all known vulnerabilities that can be scanned. As of this week Qualys scans for 10680 unique vulnerabilities. For this special SANS community listing, Qualys also includes vulnerabilities that cannot be scanned remotely. ______________________________________________________________________
(c) 2010. All rights reserved. The information contained in this newsletter, including any external links, is provided "AS IS," with no express or implied warranty, for informational purposes only. In some cases, copyright for material in this newsletter may be held by a party other than Qualys (as indicated herein) and permission to use such material must be requested from the copyright owner.
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